/st.c b/st.c
index 2594c65..ebdde9f 100644
--- a/st.c
+++ b/st.c
@@ -1263,6 +1263,8 @@ xsetsel(char *str, Time t)
 	XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
 	if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
 		selclear(0);
+
+	clipcopy(NULL);
 }
 
 void
